D. Tektonidis, A. Bokma, E. Kaldoudi, and A. Koumpis. Internet of Things and Inter-cooperative Computational Technologies for Collective Intelligence, volume 460 of Studies in Computational Intelligence, Springer, Heidelberg, (2013)
C. Weiß, M. Lutze, D. Compagna, G. Braeseke, T. Richter, and M. Merda. Abschlussbericht zur Studie, VDI/VDE Innovation + Technik GmbH, IEGUS -- Institut für Europäische Gesundheits- und Sozialwirtschaft GmbH, Berlin, (November 2013)
M. Schneider, M. Velten, and J. Haupert. Proceedings of the Sixth International Conference on Intelligent Environments (IE 2010), Kuala Lumpur, Malaysia, page 122-127. Los Alamitos, CA, IEEE Computer Society CPS, (2010)
J. Frey, C. Stahl, T. Röfer, B. Krieg-Brückner, and J. Alexandersson. Ambient Intelligence: First International Joint Conference, AmI 2010, Málaga, Spain, volume 6439 of Lecture Notes in Computer Science, Springer, Berlin, (2010)